CVE-2023-2110 Obsidian Local File Disclosure

High 8.2 Published 19 Aug 2023 Updated 7 Oct 2024

Attackers can read local files and exfiltrate them by tricking users into opening malicious markdown files or pasting text in Obsidian.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-2110?

CVE-2023-2110 is a high-severity path traversal vulnerability in Obsidian, published on 19 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Improper path handling in Obsidian desktop before 1.2.8 on Windows, Linux and macOS allows a crafted webpage to access local files and exfiltrate them to remote web servers via "app://local/<absolute-path>". This vulnerability can be exploited if a user opens a malicious markdown file in Obsidian, or copies text from a malicious webpage and paste it into Obsidian.

Weakness: CWE-22

Which versions are affected by CVE-2023-2110?

It affects 1 product.

Products include Obsidian Obsidian.

How do I fix CVE-2023-2110?

No fix has been published for CVE-2023-2110 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-2110 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2110 exists.

Sources

Also known as GHSA-gpj7-f5cp-g2m9.